Q: Is 518,166 a Prime Number?
A: No, 518,166 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 518166 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 2,617 5,234 7,851 15,702 23,553 28,787 47,106 57,574 86,361 172,722 259,083 and 518,166, with no remainder.
Since 518,166 cannot be divided by just 1 and 518,166, it is not a prime number.